• Large 122mm aperture; f/7 focal ratio and 854mm focal length; a great travel telescope for astrophotography and observation; and even some fainter deep sky objects due to the higher limiting magnitude;
• FPL-51 triplet apochromatic lens structure; the astro refractor telescope contains one piece of ED glass, for better correction of aberration, greatly reduce chromatic aberration and enhance the clarity & sharpness;
• Dual speed 2.5-inch toothed focuser with 1: 10 gear ratio; easy to achieve accurate focus; the dual speed focuser can provide two focusing speeds by using a set of co-axial knobs; for fast focusing and fine focusing;
• 300mm dovetail length; it can maintain the balance to the greatest extent; and more convenient in the adjustment process;
• Carrycase included; this telescope bag has a removable shoulder strap and hand-carry strap.

(Note: The bag is included in the OTA, so you needn't buy one separately. For extra accessories, pls choose our bundle set)

Review Video by @NebulaPhotos   Unboxing Video

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Photography Set Includes:

• SV550 80 APO telescope OTA 
• SV209 1.0x filed flattener & focal reducer
• SV210 M63 CAA 360 Degree Rotator Camera Angle Adjuster

Unboxing and EAF Installation Vdeo

New Upgrade:

• Surface Finish Upgrade
• Weight Reduction 90g+
• Lens Hood from 97mm to 93mm
• Focus Travel 2.67mm to 3.22mm

High Performance:

• Wide Field Petzval Design; 3-group 5-piece objective lens structure;
• 44mm Full-Frame; avoid aperture blocking;
• Mounting Kit Available; with a bracket and belt for EAF;
• Single-speed Focus; graded adjustment ring and scale, convenient to use;
• F22 to F4.5 Aperture Range; graded adjustment ring and scale, convenient to use;
• Multi-Compatibility; M48x0.75 filter thread & 186mm dovetail plate

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Get SV555 Full Review by @Cuiv, The Lazy Geek     SV555 FAQ & Test     SV555 Photography Portfolio

Photography Set Includes:

• SV503 102ED Telescope, SKU: F9359D
• SV193 2-Inch 0.8x Focal Reducer / Filed Flattener, SKU: W9152D
• SV211 203mm Telescope Handle Bar, SKU: W9163B 
• Universal Dovetail Slots, SKU: W2370A
• SV172 Dew Heater Strip, SKU: W9132D

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1. High-Performance Optics: Mk127 built-in flat-field design and 3-mirror Mak structure with a separate secondary mirror, this combination corrects for coma and astigmatism,  delivering tack-sharp images with exceptional contrast and clarity.The mirror reflectivity over 99%, which significantly enhances contrast, you can get the detailed views of planetary nebulae and globular clusters;
2. 0.65X Focal Reducer: The 0.65x Focal Reducer can reducing the focal ratio of the MK127 from F11.8 to F7.8. This makes it easier to capture larger celestial targets and expands the telescope's imaging  field, making it right for capturing expansive skyscapes;
3. 127mm Aperture: The telescope features a large aperture of 127 mm and a focal ratio of F11.8. It balances light-gathering capability and field of view,delivering exceptional performance for both planetary and deep-sky observations;
4. Dual-Speed Focuser Design: Coarse adjustment knob, enables rapid movement of the optical system to achieve a rough focus. Fine adjustment knob is used for minute adjustments to obtain optimal image clarity, enhancing your viewing experience;
5. 1.25" and 2" interfaces: The telescope features 2" and 1.25" eyepiece interfaces, offering compatibility with a wide range of eyepieces and allowing you to customize your observing setup for optimal performance.

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• Family design with CNC hollow structure; SV225 mini Altazimuth mount is made of hollow structure, the weight of the product is only 1.6kg. It is very portable with light weight;
• Upgraded micro-adjustment fixation; This mount allows fine adjustment of the telescope, with a screw fixation that will remain stable for a long period of time. This micro-adjustment lever meets the efficiency of your adjustments in different scenarios;
• Variable speed gear with no backlash; Variable speed gear mounted on two axes for slow motion control and no backlash during rotary adjustments, allowing you to smoothly follow the movement of the moon and planets;
• Small but strong; The SV225 MINI Alt-Azimuth constellation has an effective weight of 5kg, making it a perfect match for telescopes and more, even with its light weight;
• Scenarios of application; The telescope mount is suitable for many areas such as astronomical visual observation and surface observation.

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• Advanced Optics: Features 8 high-quality elements, including aspherical lenses and multi-coated optics;
• High-definition 2X zoom: This eyepiece allows for effortless double magnification during planets or moon phases observations. It brings distant scenes closer in an instant, presenting details with clarity;
• Parfocal Design: SV245 allows you to change magnification without the need for refocusing;
  Click Stop knob: Each focal length from 8mm to 16mm is equipped with a precise detent. Provides convenience for stargazing in the dark night;
• Dual-lens interface: Features a 1.25" and 2" dual-lens design;
• Compatibility for Astigmatism Corrector Installation: Compatible with all mainstream astigmatism correctors on the market, solving vision focusing problems caused by astigmatism.

Tips: The SV245 can be used upon SVBONY SA401 APO or SV406P spotting scope, it will boost the scope for stellar clarity and ultra-wide views.

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• IMX715 sensor; 1/2.8-inch Format, 1.45μm x 1.45μm pxel size, supports up to 8 million pixels, enabling it to capture extremely detailed image information. It offers higher dynamic range and lower noise,  ensuring high-quality and detailed images even in low-light conditions, meeting the needs of professional astrophotography; effectively reduces star trailing or blur during long exposures, ensuring that no details are lost;
• STARVIS II technology; the SC715C osc camera employs advanced image processing algorithms, resulting in higher sensitivity and lower noise levels;
• USB 3.0 Port & ST4 Guide; the SC715C astronomy camera supports data transmission at 45.5 frames per second at full resolution; the cmos camera IMX715 can also connect to an equatorial mount to adjust its position in real-time, preventing shake caused by positional drift and ensuring clear, detailed images;
• 512MB DDR3 cache; allowing the osc camera to respond quickly to every command, reducing delay during focusing and zooming. It ensures smooth, seamless shooting, making it easy for you to effortlessly capture every brilliant moment;
• C/CS-mount eyepiece solution; suitable for different installation needs.

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• Dual Color Screens: This action camera is equipped with a 2.29-inch HD touch rear screen and a 1.3-inch front selfie screen;
• Adjustable Frame Rates: Shoot in 4K30fps for ultra-clear details, 2.7K for balanced quality & speed or 1080P 120fps for stunning slow-motion action - perfect for surfing and cycling;
• 30m Waterproof for All Adventures: IPX8-rated waterproof case (dive up to 30m) withstands rain, snow, splashes, snorkeling, surfing, and diving - ready for any water sport;
• Long-Lasting Battery Life; Built-in 800mAh + external 1050mAh battery supports 50min (4K30fps, internal) or 2+ hours (4K30fps, dual-battery) of continuous recording;
• Smart Features: This camera offers motion detection, slow-mo, timelapse, pre-recording, burst mode, quick capture, zoom;
• Upgraded 6-Axis EIS: EIS endows the action camera with gimbal-like stability, significantly enhancing recording smoothness and stability. Even during rapid movements, it effortlessly maintains exceptional video quality.

Review Video by @Erich Costantino

 7.10-8.20   Instant Camera + Grip – $209.99 Only 

• SV605CC is a 1-inch color deep space camera with square frame, 3.76um pixel size, better resolution and 80%+quantum efficiency. It can get good imaging in light polluted environment with double narrowband filters;
• IMX533 color 1-inch chip: The glow of CMOS will affect the signal-to-noise ratio of the glow affected area, resulting in residual glow or reduced signal-to-noise ratio of the area. IMX533 achieves glow suppression and better shooting effect;
• With a short focus mirror or a fast mirror system: Even if the target is too small, more details cannot be obtained due to the analytical force; IMX533 chip uses 3.76μm pixel; easy to analyze 10 angle split field of view;
• Cooling System: Thanks to the two-stage TEC cooling, the SV605CC can lower the CMOS sensor temperature to 30°C below amboent temperature, which can greatly reduce dark current generation and sensor noise even during longer exposure times.
• Support system: SV605CC camera works with Windows, Linux, Mac OS, Chrome OS and Raspberry Pi systems by running AstroDMx Capture. For Windows system, also support Sharpcap, N.I.N.A, TheSkyX and other softwares run throuth ASCOM platform by suing ASCOM driver;
• The Bayer Pattern of SV605CC is GRBG.

Note: The SV605CC has completed the product change to optimize the horizontal stripe, and the S/N serial number of the new product has been changed to S/N(B).

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Unlock the full potential of your telescope equipment for deep space photography with our versatile and multi-functional accessories.

The Set includes:
• SV503 80ed OTA or SV503 102ed OTA
• SV165 30mm f/4 guiding scope
• SV905C cmos guiding camera
• SV193 0.8x filed flattener & focal reducer
• SV172 SV172 heater strip
• SV211 handle bar
• Dovetail slot for star finder or guide scope

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• The SV230 super zoom aspheric eyepiece is featured with clickstop click and Parfocal design, 57°-72° panoramic wide angle provides you with the ultimate observation comfort.
• It supports astigmatic corrector connection. Long eye relief of 17-19mm for comfortable viewing position, even for eyeglass wearers. 
• It can be used during the day and in the night, sky support excellent resolution and contrast values as well as a sharp image at a large apparent field of view.
• Observing planets with SV230 eyepiece is highly convenient, as it allows for clear and undistorted images without any edge distortion. 

Get Reviews Video by (@Bogdan Damian)    

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• Cut-off depth ≥OD4; highly efficient in blocking urban light pollution or other background light; use this multi-bandpass filter for astrophotography in urban without traveling long distances to the suburbs;
• Compatible with 99% astrophotography systems; if you have different astrophotography systems, no need to prepare dedicated filters, one SV240 can meet your needs due to its high compatibility;
• Photoing more kinds of targets; SV240 multi-narrowband filter select Ha,OIII,H-Beta wavelength effectively can cover almost photoing needs;
• High transmittance; the >90% transmittance in core wavelength of Ha,OIII, H-Beta, more objects for your astrophotography by using this multi-bandpass filter;
• Multi-bandpass filters; without multiple filters' combination for colorful images; rich color in your lens;
• Resistant of BORTLE 8; the multi-narrowband filters can be resistant from Bortle 1 to Bortle 8 cities, suitable for almost all urban;
• 300-1100 mm working wavelength; the wider coverage of this multi-narrowband filter allows it to have a strong ability to tack light pollution.

Note: Optical filters that use infrared light often cause halos in the NIR region; which are exacerbated by the halos produced by the filter itself.

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Top New Year Gift Ideas: Perfect Presents for Everyone!

• Reduce Light Pollution: It can greatly reduce the interference from natural light sources such as moonlight or artificial light pollution such as street lighting;
• Improving Contrast: The filter enhances contrast during visual observation of gaseous and planetary nebulae, even under light-polluted skies. By improving contrast, it makes the nebula stand out more clearly against the sky background, but does not increase the nebula's brightness;
• Strong Applicability: The filter applicable to SVBONY's electronic cameras and astronomical cameras;
• Scope of Application: Useful for imaging emission nebulae, planetary nebulae and supernova remnants.

Note: This filter set is not suitable for telescopes with a focal ratio below f/4

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• CNC hollow structure; SV225 altazimuth mount adopts hollow structure; reduce the weight(2.34Kg); convenient for you to carry out; light weight
• Fine adjustment shift; SV225 alt-az mount can fine-tune the telescope to meet your adjustment efficiency in different scenarios
• Variable speed gear; SV225 alt-azimuth mount is variable speed gear slow motion controls on both axes to let you smoothly follow the motion of the moon and planets
• Load capacity; with a payload capacity of 10kg; even light weight; the SV225 alt azimuth mounts will match well with the telescope; camera and so on
• Applicable scenes; SV225 alt-az mount is suitable for many senorios; like astronomical visual observation and surface observation

Get the reviews by (@BogdanDamian)

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• SV405CC cooled color astronomy camera for deep sky astrophotography. The deep space shooting targets are mainly nebula, galaxies, star clusters, multiple stars, etc;
• IMX294 color CMOS sensor; The IMX294 sensor adopts the 4/3 format and provides the necessary number of pixels for true 4k output at 120 frames per second;
• USB 3.0 high-speed interface; The bandwidth of up to 5GB allows the camera to run at 19 frames per second in raw8 mode and 16 frames per second in raw16 mode at full resolution of 11.7 million pixels;
• Cooling System; Thanks to the two-stage tec cooling, the camera can lower the CMOS sensor temperature to 86°F below ambient temperature, which can greatly reduce dark current generation and sensor noise even during longer exposure times;
• Support system; Compatible with Windows, Linux, Mac OS, Chrome OS and Raspberry Pi systems by running AstroDMx Capture. For Windows system. Also support Sharpcap, N.I.N.A., TheSkyX and other softwares run through ASCOM platform by using ASCOM driver;
• The Bayer pattern of the SV405CC is GRBG

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• Global Shutter: High frame rate of 120 frames per second;
• Large Pixel: SC432M pixels are 9μm x 9μm for more detailed images;
• 1.1-inch Frame: Larger shooting area for less post-processing;
• Fan Cooling: Longer exposures reduce noise for better image quality;
• HCG: Turning on the HCG mode at a gain value of 140 dramatically lowers the readout noise while maintaining high dynamic range, avoiding celestial drag.

Kits Related Products:

• SV406P Spotting Scope
• SC001 WiFi Camera
• SA402 Tripod
• SV214 Pro Phone Adapter
• SV190 Eyepiece

This SV503 telescope combination set includes a 102mm ED F7 refractor telescope, a SV223 90 degree diagonal mirror, a SV182 6x30 right-angle correct-image optical finder scope, a SV211 203mm saddle handle bar and a universal dovetail base. It is a suitable telescope visual set for astronomy.

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• FMC Lens: Broadband green-coated optical glass increases light transmission for sharper images;
• Multi-Element Design: Delivers sharp images with high achromatic performance, excellent color correction, and contrast;
• Black Anodized Aluminum Housing: The interior is blackened to eliminate light scatter and enhance contrast;
• Foldable Soft Rubber Goggles: Block stray light and provide convenience for people who wear glasses.

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• IMX585 CMOS Color Sensor: Delivers up to 45 fps with extremely low readout noise and increases sensitivity by approximately 1.7 times compared to the IMX485;
• Back-illuminated Sensor: The full well charge reaches 38ke, with a peak quantum efficiency of about 90%;
• 1/1.2-inch Frame: Captures rich celestial details;
• Near-Infrared Sensitivity: Significantly improves near-infrared shooting efficiency, capturing more details of celestial objects with the same exposure time;
• Dual-Gain HDR: Retains a very high dynamic range at high gain, greatly reducing read noise.

Note:Suitable for planetary imaging, EAA (Electronically Assisted Astronomy), and nebula imaging.

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Guide for SV705C Connecting with 2inch Field Flattener

• The SC311 is designed with Sony IMX662 color CMOS sensor, which uses advanced STARVIS 2 technology. It has the characteristics of no amp glow and very low readout noise, higher sensitivity to red and near infrared(NIR) light；
• 2.4G WiFi technology let you can use 4 devices at the same time and share the fun of astronomy with your friends. Support Android and Apple systems, you can download them in the software store；
• 10M effective transmission sensing distance allows you to get rid of the shackles of the data cable, it is easier to realize the fun of astronomy observation outdoors；
• Built-in 2400mah lithium battery, it can support about 4 hours of continuous work, allowing you to have more time to focus on observations；
• Connect to our SvbonyAstro a software application designed by ourselves. You can do observation on your phone or pad and save them to the SC311 built-in TF card, and then easily share to social media.
• The SC311 camera can be connected via USB cable to a PC. You can use this camera to capture with the AstroDMx Capture program or etc. Also it complies with the standard UVC protocol and no need to install SVBONY driver.  

Reviews of SC311

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• At full resolution, the camera frame rate of SV505C can reach 93fps, and more frames can be captured at the same time. Especially in the case of bad weather, the shooting can be completed quickly by using the shooting gap time;
• SV505C has a QE of about 80%. It has extremely high sensitivity in the near-infrared region and extremely high signal-to-noise ratio in the dark environment. It is very suitable for photographing the surface details of Mars, Jupiter, Saturn and other solar system planets and the moon. The camera has extraordinary sensitivity in the infrared band;
• The SV505C has a 1/1.8" frame, and the chip area is 7.9mm x 4.5mm, which means that the photosensitive area is almost twice that of the sv305 pro. With the same telescope, a larger area can be photographed.

You can choose either single scope or different bundle set, these item are:

• SV41 Pro 28-84x80 Mak Spotting Scope
• SC001 Wifi Camera
• Universal Dovetail Slots
• SV182 6x30 Right-Angle Finder Scope
• SV135 7-21mm zoom eyepiece